Felysia FL, Oktavia T. Enhancing Trust in Digital Procurement: The Role of E-Signature and Information Quality in Billing System Adoption among SMEs. International Journal of Advances in Data and Information Systems [Internet]. 2026 Aug. 4 [cited 2026 Oct. 12];7(2):635-44. Available from: https://mail.ijadis.org/index.php/ijadis/article/view/1555